unify default configs

the definitions are unified alright. it's just not supported yet :D

the idea being that tek offers to write out the default configs to
~/.config/tek-v0 where the user can customize them.

crates/app/Cargo.toml

@@ -15,6 +15,7 @@ clap      = { workspace = true, optional = true }
 palette   = { workspace = true }
 rand      = { workspace = true }
 toml      = { workspace = true }
+xdg       = { workspace = true }
 
 [dev-dependencies]
 proptest        = { workspace = true }

crates/app/examples/midi_import.rs

@@ -1,20 +0,0 @@
-use tek::*;
-use tengri::input::*;
-use std::sync::*;
-struct ExampleClips(Arc<RwLock<Vec<Arc<RwLock<MidiClip>>>>>);
-impl HasClips for ExampleClips {
-    fn clips (&self) -> RwLockReadGuard<'_, Vec<Arc<RwLock<MidiClip>>>> {
-        self.0.read().unwrap()
-    }
-    fn clips_mut (&self) -> RwLockWriteGuard<'_, Vec<Arc<RwLock<MidiClip>>>> {
-        self.0.write().unwrap()
-    }
-}
-fn main () -> Result<(), Box<dyn std::error::Error>> {
-    let mut clips = Pool::default();//ExampleClips(Arc::new(vec![].into()));
-    PoolClipCommand::Import {
-        index: 0,
-        path: std::path::PathBuf::from("./example.mid")
-    }.execute(&mut clips)?;
-    Ok(())
-}

crates/app/src/api.rs

@@ -7,7 +7,9 @@ macro_rules! cmd_todo { ($msg:literal) => {{ println!($msg); None }}; }
 handle!(TuiIn: |self: App, input|self.handle_tui_key_with_history(input));
 impl App {
     fn handle_tui_key_with_history (&mut self, input: &TuiIn) -> Perhaps<bool> {
-        Ok(if let Some(binding) = self.config.keys.dispatch(input.event()) {
+        Ok(if let Some(binding) = self.configs.current.as_ref()
+            .map(|c|c.keys.dispatch(input.event())).flatten()
+        {
             let binding = binding.clone();
             let undo = binding.command.clone().execute(self)?;
             // FIXME failed commands are not persisted in undo history

crates/app/src/config.rs

@@ -0,0 +1,111 @@
+use crate::*;
+use xdg::BaseDirectories;
+
+/// Configurations
+#[derive(Default, Debug)]
+pub struct Configurations {
+    pub dirs:    BaseDirectories,
+    pub modules: Arc<RwLock<std::collections::BTreeMap<Arc<str>, Arc<str>>>>,
+    pub current: Option<Configuration>
+}
+
+/// Configuration
+#[derive(Default, Debug)]
+pub struct Configuration {
+    /// Path of configuration entrypoint
+    pub path: std::path::PathBuf,
+    /// Name of configuration
+    pub name: Option<Arc<str>>,
+    /// Description of configuration
+    pub info: Option<Arc<str>>,
+    /// View definition
+    pub view: Arc<str>,
+    // Input keymap
+    pub keys: EventMap<TuiEvent, AppCommand>,
+}
+
+macro_rules! dsl_for_each (($dsl:expr => |$head:ident|$body:expr)=>{
+    let mut dsl:   Arc<str>         = $dsl.src().into();
+    let mut $head: Option<Arc<str>> = dsl.head()?.map(Into::into);
+    let mut tail:  Option<Arc<str>> = dsl.tail()?.map(Into::into);
+    loop {
+        if let Some($head) = $head {
+            $body;
+        } else {
+            break
+        }
+        if let Some(next) = tail {
+            $head = next.head()?.map(Into::into);
+            tail  = next.tail()?.map(Into::into);
+        } else {
+            break
+        }
+    }
+});
+
+impl Configurations {
+    const DEFAULT_TEMPLATES: &'static str = include_str!("../../../config/templates.edn");
+    const DEFAULT_BINDINGS:  &'static str = include_str!("../../../config/bindings.edn");
+    pub fn init () -> Usually<Self> {
+        let mut dirs = BaseDirectories::with_profile("tek", "v0");
+        let mut cfgs = Self { dirs, ..Default::default() };
+        cfgs.init_file("templates.edn", Self::DEFAULT_TEMPLATES)?;
+        cfgs.load_file("templates.edn", |head|{ Ok(()) })?;
+        cfgs.init_file("bindings.edn", Self::DEFAULT_BINDINGS)?;
+        cfgs.load_file("bindings.end", |head|{ Ok(()) })?;
+        Ok(cfgs)
+    }
+    fn init_file (&mut self, path: &str, val: &str) -> Usually<()> {
+        if self.dirs.find_config_file("templates.edn").is_none() {
+            std::fs::write(self.dirs.place_config_file("templates.edn")?, Self::DEFAULT_TEMPLATES);
+        }
+        Ok(())
+    }
+    fn load_file (&mut self, path: &str, mut each: impl FnMut(&Arc<str>)->Usually<()> ) -> Usually<()> {
+        Ok(if let Some(path) = self.dirs.find_config_file("templates.edn") {
+            dsl_for_each!(std::fs::read_to_string(path)?.as_str() => |dsl|each(&dsl));
+        } else {
+            return Err(format!("{path}: not found").into())
+        }) 
+    }
+}
+
+impl Configuration {
+    fn load_template (&mut self, dsl: impl Dsl) -> Usually<&mut Self> {
+        dsl_for_each!(dsl => |dsl|match () {
+            _ if let Some(exp) = dsl.exp()? => match exp.head()?.key()? {
+                Some("name") => match exp.tail()?.text()? {
+                    Some(name) => self.name = Some(name.into()),
+                    _ => return Err(format!("missing name definition").into())
+                },
+                Some("info") => match exp.tail()?.text()? {
+                    Some(info) => self.info = Some(info.into()),
+                    _ => return Err(format!("missing info definition").into())
+                },
+                Some("bind") => match exp.tail()? {
+                    Some(keys) => self.keys = EventMap::from_dsl(&mut &keys)?,
+                    _ => return Err(format!("missing keys definition").into())
+                },
+                Some("view") => match exp.tail()? {
+                    Some(tail) => self.view = tail.src().into(),
+                    _ => return Err(format!("missing view definition").into())
+                },
+                dsl => return Err(format!("unexpected: {dsl:?}").into())
+            },
+
+            _ => return Err(format!("unexpected: {dsl:?}").into())
+        });
+        Ok(self)
+    }
+    fn load_binding (&mut self, dsl: impl Dsl) -> Usually<&mut Self> {
+        todo!();
+        Ok(self)
+    }
+}
+
+fn unquote (x: &str) -> &str {
+    let mut chars = x.chars();
+    chars.next();
+    //chars.next_back();
+    chars.as_str()
+}

crates/app/src/lib.rs

@@ -36,6 +36,7 @@ pub(crate) use std::sync::atomic::{AtomicBool, AtomicUsize, Ordering::Relaxed};
 
 mod api;    pub use self::api::*;
 mod audio;  pub use self::audio::*;
+mod config; pub use self::config::*;
 mod model;  pub use self::model::*;
 mod view;   pub use self::view::*;
 

crates/app/src/model.rs

@@ -1,66 +1,28 @@
 use crate::*;
 use std::path::PathBuf;
 use std::error::Error;
+
 #[derive(Default, Debug)]
 pub struct App {
     /// Must not be dropped for the duration of the process
-    pub jack: Jack<'static>,
+    pub jack:     Jack<'static>,
     /// Display size
-    pub size: Measure<TuiOut>,
+    pub size:    Measure<TuiOut>,
     /// Performance counter
-    pub perf: PerfModel,
-    // View and input definition
-    pub config: Configuration,
+    pub perf:    PerfModel,
+    /// Available view definitions and input bindings
+    pub configs: Configurations,
     /// Contains all recently created clips.
-    pub pool: Pool,
+    pub pool:    Pool,
     /// Contains the currently edited musical arrangement
     pub project: Arrangement,
     /// Undo history
     pub history: Vec<(AppCommand, Option<AppCommand>)>,
     // Dialog overlay
-    pub dialog: Option<Dialog>,
+    pub dialog:  Option<Dialog>,
     /// Base color.
-    pub color: ItemTheme,
+    pub color:   ItemTheme,
 }
-has!(Jack<'static>:      |self: App|self.jack);
-has!(Pool:               |self: App|self.pool);
-has!(Option<Dialog>:     |self: App|self.dialog);
-has!(Clock:              |self: App|self.project.clock);
-has!(Option<MidiEditor>: |self: App|self.project.editor);
-has!(Selection:          |self: App|self.project.selection);
-has!(Vec<MidiInput>:     |self: App|self.project.midi_ins);
-has!(Vec<MidiOutput>:    |self: App|self.project.midi_outs);
-has!(Vec<Scene>:         |self: App|self.project.scenes);
-has!(Vec<Track>:         |self: App|self.project.tracks);
-has!(Measure<TuiOut>:    |self: App|self.size);
-maybe_has!(Track: |self: App|
-    { MaybeHas::<Track>::get(&self.project) };
-    { MaybeHas::<Track>::get_mut(&mut self.project) });
-impl HasTrackScroll for App { fn track_scroll (&self) -> usize { self.project.track_scroll() } }
-maybe_has!(Scene: |self: App|
-    { MaybeHas::<Scene>::get(&self.project) };
-    { MaybeHas::<Scene>::get_mut(&mut self.project) });
-impl HasSceneScroll for App { fn scene_scroll (&self) -> usize { self.project.scene_scroll() } }
-has_clips!(|self: App|self.pool.clips);
-impl HasClipsSize for App { fn clips_size (&self) -> &Measure<TuiOut> { &self.project.inner_size } }
-//take!(ClockCommand       |state: App, iter|Take::take(state.clock(), iter));
-//take!(MidiEditCommand    |state: App, iter|Ok(state.editor().map(|x|Take::take(x, iter)).transpose()?.flatten()));
-//take!(PoolCommand        |state: App, iter|Take::take(&state.pool, iter));
-//take!(SamplerCommand     |state: App, iter|Ok(state.project.sampler().map(|x|Take::take(x, iter)).transpose()?.flatten()));
-//take!(ArrangementCommand |state: App, iter|Take::take(&state.project, iter));
-//take!(DialogCommand      |state: App, iter|Take::take(&state.dialog, iter));
-//has_editor!(|self: App|{
-    //editor = self.editor;
-    //editor_w = {
-        //let size      = self.size.w();
-        //let editor    = self.editor.as_ref().expect("missing editor");
-        //let time_len  = editor.time_len().get();
-        //let time_zoom = editor.time_zoom().get().max(1);
-        //(5 + (time_len / time_zoom)).min(size.saturating_sub(20)).max(16)
-    //};
-    //editor_h = 15;
-    //is_editing = self.editor.is_some();
-//});
 
 impl App {
     pub fn update_clock (&self) {
@@ -190,20 +152,16 @@ impl App {
         self.browser().is_some()
     }
     fn focus_clip (&self) -> bool {
-        !self.focus_editor() && matches!(self.selection(),
-            Selection::TrackClip{..})
+        !self.focus_editor() && matches!(self.selection(), Selection::TrackClip{..})
     }
     fn focus_track (&self) -> bool {
-        !self.focus_editor() && matches!(self.selection(),
-            Selection::Track(..))
+        !self.focus_editor() && matches!(self.selection(), Selection::Track(..))
     }
     fn focus_scene (&self) -> bool {
-        !self.focus_editor() && matches!(self.selection(),
-            Selection::Scene(..))
+        !self.focus_editor() && matches!(self.selection(), Selection::Scene(..))
     }
     fn focus_mix (&self) -> bool {
-        !self.focus_editor() && matches!(self.selection(),
-            Selection::Mix)
+        !self.focus_editor() && matches!(self.selection(), Selection::Mix)
     }
     fn focus_pool_import (&self) -> bool {
         matches!(self.pool.mode, Some(PoolMode::Import(..)))
@@ -318,99 +276,43 @@ impl App {
     }
 }
 
-/// Configuration
-#[derive(Default, Debug)]
-pub struct Configuration {
-    /// Path of configuration entrypoint
-    pub path: PathBuf,
-    /// Name of configuration
-    pub name: Option<Arc<str>>,
-    /// Description of configuration
-    pub info: Option<Arc<str>>,
-    /// View definition
-    pub view: Arc<str>,
-    // Input keymap
-    pub keys: EventMap<TuiEvent, AppCommand>,
-}
+has!(Jack<'static>:      |self: App|self.jack);
+has!(Pool:               |self: App|self.pool);
+has!(Option<Dialog>:     |self: App|self.dialog);
+has!(Clock:              |self: App|self.project.clock);
+has!(Option<MidiEditor>: |self: App|self.project.editor);
+has!(Selection:          |self: App|self.project.selection);
+has!(Vec<MidiInput>:     |self: App|self.project.midi_ins);
+has!(Vec<MidiOutput>:    |self: App|self.project.midi_outs);
+has!(Vec<Scene>:         |self: App|self.project.scenes);
+has!(Vec<Track>:         |self: App|self.project.tracks);
+has!(Measure<TuiOut>:    |self: App|self.size);
+maybe_has!(Track: |self: App|
+    { MaybeHas::<Track>::get(&self.project) };
+    { MaybeHas::<Track>::get_mut(&mut self.project) });
+impl HasTrackScroll for App { fn track_scroll (&self) -> usize { self.project.track_scroll() } }
+maybe_has!(Scene: |self: App|
+    { MaybeHas::<Scene>::get(&self.project) };
+    { MaybeHas::<Scene>::get_mut(&mut self.project) });
+impl HasSceneScroll for App { fn scene_scroll (&self) -> usize { self.project.scene_scroll() } }
+has_clips!(|self: App|self.pool.clips);
+impl HasClipsSize for App { fn clips_size (&self) -> &Measure<TuiOut> { &self.project.inner_size } }
 
-impl Configuration {
-    pub fn from_path (path: &impl AsRef<Path>, _watch: bool) -> Usually<Self> {
-        let mut config = Self { path: path.as_ref().into(), ..Default::default() };
-        let mut dsl    = read_and_leak(path.as_ref())?;
-        let mut head: Option<Arc<str>> = dsl.head()?.map(Into::into);
-        let mut tail: Option<Arc<str>> = dsl.tail()?.map(Into::into);
-        loop {
-            if let Some(exp) = head.exp()? {
-                match exp.head()?.key()? {
-                    Some("name") => match exp.tail()?.text()? {
-                        Some(name) => config.name = Some(name.into()),
-                        _ => return Err(format!("missing name definition").into())
-                    },
-                    Some("info") => match exp.tail()?.text()? {
-                        Some(info) => config.info = Some(info.into()),
-                        _ => return Err(format!("missing info definition").into())
-                    },
-                    Some("keys") => match exp.tail()? {
-                        Some(keys) => config.keys = EventMap::from_dsl(&mut &keys)?,
-                        _ => return Err(format!("missing keys definition").into())
-                    },
-                    Some("view") => match exp.tail()? {
-                        Some(tail) => config.view = tail.src().into(),
-                        _ => return Err(format!("missing view definition").into())
-                    },
-                    Some(k) => return Err(format!("(e3) unexpected key {k:?} in {exp:?}").into()),
-                    None => return Err(format!("(e2) unexpected exp {exp:?}").into()),
-                }
-            } else {
-                break
-            }
-            if let Some(next) = tail {
-                head = next.head()?.map(Into::into);
-                tail = next.tail()?.map(Into::into);
-            } else {
-                break
-            }
-        }
-        Ok(config)
-    }
-}
-
-fn read_and_leak (path: impl AsRef<Path>) -> Usually<&'static str> {
-    Ok(leak(String::from_utf8(std::fs::read(path.as_ref())?)?))
-}
-
-fn leak (x: impl AsRef<str>) -> &'static str {
-    Box::leak(x.as_ref().into())
-}
-
-fn unquote (x: &str) -> &str {
-    let mut chars = x.chars();
-    chars.next();
-    //chars.next_back();
-    chars.as_str()
-}
-
-macro_rules! default_config { ($path:literal) => { ($path, include_str!($path)) }; }
-pub const DEFAULT_CONFIGS: &'static [(&'static str, &'static str)] = &[
-    default_config!("../../../config/config_arranger.edn"),
-    default_config!("../../../config/config_groovebox.edn"),
-    default_config!("../../../config/config_sampler.edn"),
-    default_config!("../../../config/config_sequencer.edn"),
-    default_config!("../../../config/config_transport.edn"),
-
-    default_config!("../../../config/keys_arranger.edn"),
-    default_config!("../../../config/keys_clip.edn"),
-    default_config!("../../../config/keys_clock.edn"),
-    default_config!("../../../config/keys_editor.edn"),
-    default_config!("../../../config/keys_global.edn"),
-    default_config!("../../../config/keys_groovebox.edn"),
-    default_config!("../../../config/keys_length.edn"),
-    default_config!("../../../config/keys_mix.edn"),
-    default_config!("../../../config/keys_pool.edn"),
-    default_config!("../../../config/keys_pool_file.edn"),
-    default_config!("../../../config/keys_rename.edn"),
-    default_config!("../../../config/keys_sampler.edn"),
-    default_config!("../../../config/keys_scene.edn"),
-    default_config!("../../../config/keys_sequencer.edn"),
-    default_config!("../../../config/keys_track.edn"),
-];
+//take!(ClockCommand       |state: App, iter|Take::take(state.clock(), iter));
+//take!(MidiEditCommand    |state: App, iter|Ok(state.editor().map(|x|Take::take(x, iter)).transpose()?.flatten()));
+//take!(PoolCommand        |state: App, iter|Take::take(&state.pool, iter));
+//take!(SamplerCommand     |state: App, iter|Ok(state.project.sampler().map(|x|Take::take(x, iter)).transpose()?.flatten()));
+//take!(ArrangementCommand |state: App, iter|Take::take(&state.project, iter));
+//take!(DialogCommand      |state: App, iter|Take::take(&state.dialog, iter));
+//has_editor!(|self: App|{
+    //editor = self.editor;
+    //editor_w = {
+        //let size      = self.size.w();
+        //let editor    = self.editor.as_ref().expect("missing editor");
+        //let time_len  = editor.time_len().get();
+        //let time_zoom = editor.time_zoom().get().max(1);
+        //(5 + (time_len / time_zoom)).min(size.saturating_sub(20)).max(16)
+    //};
+    //editor_h = 15;
+    //is_editing = self.editor.is_some();
+//});

crates/app/src/view.rs

@@ -23,14 +23,14 @@ impl<T: Content<TuiOut>> Content<TuiOut> for ErrorBoundary<TuiOut, T> {
 }
 
 impl App {
-    pub fn view (model: &Self) -> impl Content<TuiOut> + '_ {
-        ErrorBoundary::new(Ok(Some(Tui::bg(Black, model.view_menu()))))
+    pub fn view (&self) -> impl Content<TuiOut> + '_ {
+        ErrorBoundary::new(Ok(Some(Tui::bg(Black, self.view_menu()))))
         //ErrorBoundary::new(Take::take(model, &mut model.config.view.clone()))
         //ErrorBoundary::new(Give::give(model, &mut model.config.view.clone()))
     }
 }
 
-content!(TuiOut: |self: App| ErrorBoundary::new(Ok(Some(Tui::bg(Black, self.view_nil())))));
+content!(TuiOut: |self: App| ErrorBoundary::new(Ok(Some(Tui::bg(Black, self.view())))));
 
 #[tengri_proc::view(TuiOut)]
 impl App {
@@ -39,7 +39,7 @@ impl App {
     }
     pub fn view_menu (&self) -> impl Content<TuiOut> + use<'_> {
         Stack::south(|add: &mut dyn FnMut(&dyn Render<TuiOut>)|{
-            add(&Tui::bold(true, "tek"));
+            add(&Tui::bold(true, "tek 0.3.0-rc0"));
             add(&"");
             add(&"+ new session");
         })